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Fifth Nutrisupply Inc

L-Ergothioneine Powder

What is L-Ergothioneine Powder?

L-ergothioneine is a naturally occurring amino acid derivative and a powerful antioxidant found in certain foods, particularly in mushrooms, certain beans, and some types of meat.

Health benefits of using L-Ergothioneine Powder

1. Antioxidant Properties:

L-ergothioneine is a potent antioxidant that helps protect cells from oxidative stress and damage caused by free radicals. It's known for its ability to scavenge various reactive oxygen species and support cellular health.

2. Cellular Protection:

It's believed to accumulate in cells that are exposed to high levels of oxidative stress, such as skin cells and red blood cells, where it helps protect them from damage.

3. Natural Sources:

L-ergothioneine is primarily found in certain types of mushrooms (like oyster mushrooms, shiitake, and porcini), as well as in smaller amounts in some other foods like beans, garlic, and meats. However, the content of ergothioneine in these foods can vary widely based on factors like cultivation, storage, and processing.

4. Potential Health Benefits:

Research on ergothioneine is ongoing, and while it's primarily recognized for its antioxidant properties, some studies suggest it may have additional health benefits, including potential anti-inflammatory effects and a role in supporting skin health.


Ergothioneine is an intriguing compound due to its antioxidant potential and its accumulation in tissues exposed to high oxidative stress. While it's naturally present in some foods, its supplementation is still an area of ongoing research, and more studies are needed to fully understand its mechanisms and potential health benefits in humans. As always, consulting with a healthcare professional before starting any new supplement regimen is advisable, especially for individuals with existing health conditions or who are pregnant or breastfeeding.

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